solve by using identities 128^2 -77^2
Answers
Answered by
25
given
128^2-77^2
using the identity
a^2-b^2=(a+b)(a-b)
so
(128+77)(128-77)
=10455
hope it helps
mark as brainliest
128^2-77^2
using the identity
a^2-b^2=(a+b)(a-b)
so
(128+77)(128-77)
=10455
hope it helps
mark as brainliest
lakhwinder1112:
hey
Answered by
7
by using the formula a^2-b^2={a+b}{a-b}•°•(128+77)(128-77)=10455
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